Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5684346 | Cooling device | Jan Mickos, Per Stjerna, Peter Uvemo | 1997-11-04 |
| 5647666 | Mixer installation device | Per Stjerna | 1997-07-15 |
| 4721392 | Method and a device for installation of a mixer | Hjalmar Fries, Bengt Thomaeus | 1988-01-26 |